Standard & Poor's decision to strip the United States of its AAA rating suggests the country has less room to boost growth with fiscal spending, the head of the agency's sovereign ratings committee said on Thursday

Moody's Investors Service on Tuesday confirmed its AAA rating of the United States, citing the decision to raise the debt limit, but kept the pressure on the government to move toward a long-term fiscal consolidation plan

The United States will lose its top-notch AAA credit rating from at least one major rating agency, according to a Reuters poll that also found wrangling over the debt ceiling has already damaged the economy